Eclipse - Has a high gloss appearance. This Physical Vapor Deposition (PVD) coating offers a high micro-hardness and lubricity.

CopperHead - Physical Vapor Deposition Titanium Carbo-Nitride (PVD TiCN) is an upgrade of the CV4 model. It has a harder and smoother surfaces.

BlackDiamond - Diamond-Like Carbon coating, the best of all G2 BCG coatings. It has the lowest friction, highest hardness, and best corrosion resistance.

Surface Hardness:

EVO (EXO NiB): 1500 HK

CV4 (TiN): 2600 Vickers

Eclipse (PVD): 1800 Vickers

CopperHead (TiCN): 3200 Vickers

BlackDiamond (DLC): 3000 Vickers

Coefficient of Friction:

EVO (Gen2 NiB): 0.08

CV4 (TiN): 0.4

Eclipse (PVD): 0.3

CopperHead (TiCN): 0.2

BlackDiamond (DLC): 0.01

Profile: Lightweight

Compatibility:

AR-15

Includes:

1x Bolt Assembly

1x Extractor

1x Cam Pin

1x G2 Enhanced Competition Bolt Carrier

1x Carrier Key

1x Firing Pin

1x Firing Pin Retaining Pin

Details:

When you’re looking to step up to the next generation of competition bolt carrier groups for AR-15, Iron City Rifle Works has exactly what you’re looking for, and so much more than you’ll ever expect. The Iron City Rifle Works G2 Enhanced Competition Bolt Carrier Group is better than the competition with any coating, but prepare yourself, you’re going to have to make some tough choices.

Do You Want Outstanding Performance, Amazing Lubricity, or Workmanship That’s Second to None?

How about all three? If you choose an Iron City Competition Bolt Carrier Group, it doesn’t matter if you pick the novelty of a gold bolt carrier group for looks, or the amazing performance of the advanced physical vapor deposition (PVD) coating that is Iron city’s Eclipse, the ultimate slickness and durability of the BlackDiamond DLC bolt carrier group, or you reach for the EVO (EXO NiB) or Copperhead (TiCN) versions of the Iron City BCG, you’re going to have a life-changing experience the first time you take it out to the range. Any one of Iron City’s G2 Enhanced bolt carrier groups is going to put your old BCG to shame.

The Only One Who One-Ups Iron City is Iron City

Each version of Iron City’s G2 Bolt Carrier Group is better than the last, and they’re all so much better than Mil-spec that you’ll think that cleaning components with traditional coatings is a hardship. Choose the TiN Bolt carrier group, the Copperhead or the sick black beauty that is the BlackDiamond DLC bolt carrier group. They all feature self-lubricity that makes them superior to Mil-spec coatings. They reduce wear on components, resist fouling and clean up beautifully. While each one has different inherent qualities, you can rest assured that whichever you choose will make you one happy shooter. And yeah, you can just pick the TiN bolt carrier group just because your wife likes the pretty gold bolt carrier group, we won't tell.

Choose any one of Iron City Rifle Works’ G2 BCGs from Wing Tactical and you’ll give yourself an edge.